Brilliant! Thank you! My issue was not understanding that i couldn't use the
built in graphics with the passed through gpu.
My performance in gaming is pretty bad though, maybe 1/5th of what i would get
bare-metal. i've allocated 6 cores of my 8320 and 6gb of ram with 3024
hugepages. I've noticed on reboot my hugepages return to 0 and after my virtual
machine is fully booted, dmesg|grep -e DMAR -e IOMMU returns nothing. Any
suggestions?
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-------- Original Message --------
Subject: Re: [vfio-users] How do i get rid of the emulated gpu?
Local Time: January 21, 2016 6:06 pm
UTC Time: January 21, 2016 11:06 PM
From: thibaut.n...@gmail.com
To: nicolas.roy-renau...@ens.etsmtl.ca
CC: stibn...@protonmail.com,vfio-users@redhat.com
Did you follow alex tutorial?
"Start with the machine details view in virt-manager and remove everything we
no longer need. That includes the CDROM devices, the tablet, the display,
sound, serial, spice channel, video, virtio serial, and USB redirectors. We can
also remove the IDE controller altogether now"
http://vfio.blogspot.co.uk/2015/05/vfio-gpu-how-to-series-part-4-our-first.html
2016-01-21 21:11 GMT+01:00 Nicolas Roy-Renaud
<nicolas.roy-renau...@ens.etsmtl.ca>:
You're probably talking about the QXL video adapter. Virt-manager won't let you
remove it if your guest needs anything that relies on it (I'm guessing libvirt
stops it from doing that, but neither of them is especially verbose). You can't
remove it until you've also removed the Spice virtual display (which also
includes a virtual keyboard and mouse). If you want to control your VM from the
host past that point, you'll need a VNC or spice server running directly on the
guest, as libvirt can't attach virtual displays on node devices (like your GPU).
Disabling the virtual monitor connected to that QXL adapter works just as well,
though, and it ensures that if anything bad happens, Windows won't complain
about you trying to run a headless system (because it can just use said virtual
GPU until your passthrough kicks in).
On 2016-01-20 23:20, Stibnite wrote:
I can't seem to figure out how to get rid of the "microsoft basic display
adapter" in windows 10. Cpu-z and device manager both show my passthrough gpu
and the microsoft display adaptor side by side. I seem to be using the display
adaptor by default because I can't change the resolution nor can i run any
games beyond 3 fps.
With virsh edit I've tried deleting the <video> and <sound> but they just
reappear when i start virt-manager.
Sorry if this is a dumb question, none of the turotials i've found detail how
to go about actually getting windows to use your gpu over the emulated crap.
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Switzerland.
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